Welcome! Opening Remarks FadyAbu Jamra, President of ASHRAE Qatar Oryx Chapter Mark Stevens, Executive Director, AMCA International
Thank you, sponsors! Maico Gulf Hira Walraven Ruskin Titus Gulf Aero Foam Hammam Industries & Co. Multi-Wing Diamond Sponsor Emerald Sponsors Sapphire Sponsor Ruby Sponsor Gold Sponsor Booklet Sponsor
An Overview of AMCA Air Movement and Control Association International Not-for-profit manufacturers association first established in 1917 More than 360 member companies worldwide Mission is to promote the health, growth and integrity of the industry 4
An Overview of AMCA 165 27 129 23 6 2 5
AMCA Scope of Products Air curtains Air handlers Energy recovery ventilators (ERVs) Evaporative coolers Fans for residential, commercial, and fire/smoke control Fans for industrial processes Heavy duty dampers and power-plant applications Range hoods (nonresidential) Heat recovery ventilators (non-residential) Spiral duct Fire and smoke dampers Fixed and adjustable louvers Gravity roof ventilators AND MORE 6
Applications of AMCA Products AMCA s member products are used in Commercial ventilation systems Industrial facilities and processes Data centers and high-tech facilities Power plants Gas, oil, mining and other heavy industries Food processing Waste water treatment and more 7
AMCA Serves Through Programs Certified Ratings Program Laboratory Testing for Product Rating Laboratory Accreditation (worldwide) Rating-Test Standards Library of Application Guides, White Papers, and more Engineering Seminars Engineering Conferences
The AMCA Certified Ratings Program Helps ensure honest and accuracy in product ratings Ratings based on data from approved test standards Ratings presented based on approved data interpretations and formatting Enables easy and accurate comparison of products from different manufacturers You ll hear about the sand louver certification from Saad Ali later 9
How to find www.amca.org/ certified
How to Specify Put this language in your office and project specifications: (Product) shall be licensed to bear the AMCA Certified Ratings Program seal for (license type/s) in accordance with AMCA Publication (Number). The (Product) shall be tested according to (reference standard). AMCA White Paper Library has three publications on AMCA Certified Ratings Program that helps you fill in the red text.
What s on the USB Drive? Materials from the Hira Walraven AMCA white paper library AMCA publications for the Certified Ratings Program 10 Years of AMCA inmotion magazine AMCA brochures Please feel free to store on company libraries
Resources For more information about AMCA, visit: 1. www.amca.org 2. www.amca.org/store Whitepapers and CRP publications are free 3. www.amca.org/certified Search for certified product worldwide 4. www.amca.org/whitepapers 13
Agenda System Design for Tunnel-Smoke Exhaust Roberto Arias, Metro Doha Project Director, Zitrón S.A Avoiding Fan System Effect Mark Stevens, Executive Director, AMCA International 10:30 11:00 Break and Sponsor Expo Introducing the Fan Energy Index Michael Ivanovich, Senior Director, Industry Relations AMCA International Sizing & Selection of Sand Louvers Saad Ali, Group General Manager Middle East/North Africa, Ruskin Titus Gulf Car Park Ventilation Design as Per QCDD Arun Thakur, CFD Analyst, Maico Gulf 13:00 14:00 Networking Luncheon
Roberto Arias ZITRON Metro Doha Project Director ZITRON, S.A. roberto@zitron.com 2016 Air Movement and Control Association. All Rights Reserved.
Learning Objectives Learn about the types of fans used for smoke tunnel ventilation Aerodynamic and mechanical design of a fan for tunnel-fire ventilation Temperature certification process for this type of fan Correct installation tunnel fans
TYPE OF FANS USED IN FIRE TUNNEL VENTILATION TYPES OF FANS USED IN FIRE TUNNEL VENTILATION
JET FANS TYPE OF FANS USED IN FIRE TUNNEL VENTILATION AXIAL FANS IN VENTILATION ROOMS TYPES OF FANS USED IN FIRE TUNNEL VENTILATION
TYPE OF FANS USED IN FIRE TUNNEL VENTILATION Jet fans: Generate air movement in the tunnel, ensuring a minimum speed throughout the entire section Axial fans: Ensure a minimum extraction flow overcoming the load losses of the circuit TYPES OF FANS USED IN FIRE TUNNEL VENTILATION
JET FANS TYPES OF FANS USED IN FIRE TUNNEL VENTILATION
JET FANS FANS FOR FIRE TUNNEL VENTILATION They are used in longitudinal ventilation, and in some cases, as support for the semi-transversal or transversal ventilation In In the the first second case, case, they control they help the axial fumes fans and of extract the semitransversal a portal or transversal ventilation to guide the them by smoke TYPES OF FANS USED IN FIRE TUNNEL VENTILATION
JET FANS FANS FOR FIRE TUNNEL VENTILATION SMOKE CONTROL Insufficient ventilation Backlayering Adequate ventilation No Backlayering TYPES OF FANS USED IN FIRE TUNNEL VENTILATION
JET FANS CRITICAL VELOCITY Smoke temperature Froude Number V c : Critical velocity g : Gravity H : Height of tunnel section Q a : Fire power ρ0 : Air fresh density C p : Specific air heat A : Tunnel section area T o : Ambient temperature TYPES OF FANS USED IN FIRE TUNNEL VENTILATION
JET FANS MINIMUM AMOUNT REQUIRED IN CASE OF FIRE E t = S x P T E t : Necessary thrust in the tunnel (N) S : Tunnel section (m 2 ) P t : Total pressure loss in the tunnel (Pa) TYPES OF FANS USED IN FIRE TUNNEL VENTILATION
JET FANS MINIMUM AMOUNT REQUIRED IN CASE OF FIRE TOTAL PRESSURE LOSS IN THE TUNNEL P T = P f P b P w P veh + + + +P ch P f : Friction losses P s : Portal losses P veh : Vehicle/Train losses P ch : Chimney effect P w : Wind losses TYPES OF FANS USED IN FIRE TUNNEL VENTILATION
Friction losses (Pa) JET FANS MINIMUM AMOUNT REQUIRED IN CASE OF FIRE P f : Friction losses λ : Coefficient of friction L : Tunnel length (m) P f = l 2 L ρ vc 2 D h ρ : Air density (Kg/m 3 ) Vc : Critical velocity (m/s) Dh : Hydraulic tunnel diameter (m) D h = 4S/P S : Tunnel section P : Tunnel perimeter TYPES OF FANS USED IN FIRE TUNNEL VENTILATION
JET FANS MINIMUM AMOUNT REQUIRED IN CASE OF FIRE Portal losses (Pa) P S : Portal losses ρ : Air density (Kg./m 3 ) Vc : Critical velocity (m/s) P s = ρ vc 2 2 TYPES OF FANS USED IN FIRE TUNNEL VENTILATION
JET FANS MINIMUM AMOUNT REQUIRED IN CASE OF FIRE Wind losses (Pa) P w : Wind losses ρ ex : External air density (Kg/m 3 ) Vv : Wind velocity (m/s) P w = ρ ex v v 2 2 cos 2 α cosα : Angle of incidence of the wind TYPES OF FANS USED IN FIRE TUNNEL VENTILATION
JET FANS MINIMUM AMOUNT REQUIRED IN CASE OF FIRE Vehicle/Train losses (Pa) P veh = C w S v S N ρ ( V-V c ) 2 2 P veh : Vehicle/Train losses C w : Aerodynamin coefficient S v : Vehicle section S : Tunnel section TYPES OF FANS USED IN FIRE TUNNEL VENTILATION N : Number of vehicles in the tunnel ρ : Air density (Kg./m 3 ) V : Vehicle/Train velocity (m/s) V c : Critical velocity (m/s)
Chimney effect (Pa) JET FANS MINIMUM AMOUNT REQUIRED IN CASE OF FIRE P ch = 9.81 (ρ ex1 ρ ex2 )D c P ch : Chimney effect ρ ex1 : External air density 1 (Kg/m 3 ) ρ ex2 : External air density 2 (Kg/m 3 ) D c : Difference in height between portals (m) TYPES OF FANS USED IN FIRE TUNNEL VENTILATION
JET FANS MINIMUM AMOUNT REQUIRED IN CASE OF FIRE N vent = Needed thrust in the tunnel Jet fan thrust x F 1 F 1 = 1 - Critical velocity Velocity fan discharge TYPES OF FANS USED IN FIRE TUNNEL VENTILATION
JET FANS MINIMUM AMOUNT REQUIRED IN CASE OF FIRE N vent = Needed thrust in the tunnel Jet fan thrust x F 1 x F 2 = 0.7 fan in a corner F 2 = 0.8 fan ½ f roof tunnel ½ F roof tunnel 1 f roof tunnel = 0.9 fan 1 f roof tunnel Fan in a corner TYPES OF FANS USED IN FIRE TUNNEL VENTILATION
JET FANS MINIMUM AMOUNT REQUIRED IN CASE OF FIRE N vent = Needed thrust in the tunnel Jet fan thrust x F 1 x F 2 E jf = Q V V x x ρ E jf : Individual jet fan thrust (N) Q : Jet fan flow (m 3 /s) V V : Velocity fan discharge (m/s) ρ : Air density (Kg/m 3 ) TYPES OF FANS USED IN FIRE TUNNEL VENTILATION
JET FANS MINIMUM AMOUNT REQUIRED IN CASE OF FIRE E jf = Q x V V x ρ Jet fan working at standard density Jet fan destroyed by fire Jet fan working at low density TYPES OF FANS USED IN FIRE TUNNEL VENTILATION
AXIAL FANS TYPES OF FANS USED IN FIRE TUNNEL VENTILATION
AXIAL FANS They are used for the ventilation: SEMI TRANSVERSAL TYPES OF FANS USED IN FIRE TUNNEL VENTILATION
AXIAL FANS They are used for the ventilation: TRANSVERSAL TYPES OF FANS USED IN FIRE TUNNEL VENTILATION
Q?? Pt?? AXIAL FANS WORKING POINT CALCULATION Qc:Section x Critical velocity Qh : Smoke flow Qs : Section x 1 m/s Q = Q h + Q c + Q s Tunnel pressure losses P tunel = P f + P b + P w + P veh + P ch Pressure losses in fan rooms and ducts P rooms = Ducts + Fan ancillaries + Bends.. TYPES OF FANS USED IN FIRE TUNNEL VENTILATION
AXIAL FANS WORKING POINT CALCULATION TYPES OF FANS USED IN FIRE TUNNEL VENTILATION
JET FAN Technical requirements AXIAL FAN - E (N) - Ø fan (m) - Ø fan (m) - n (r.p.m) - Ø hub (m) - Blade profile Technical requirements - Q (m³/s) - Pt (Pa) - Ø fan (m) - Ø ventilador (m) - n (r.p.m) - Ø nucleo (m) - Blade profile - Guide vane profile
GUIDE VANES r=d/d BLADES n rpm HUB
AERODYNAMIC DESIGN SIMULATION CFD STEPS: Meshed of the Geometry
Meshed of the Geometry
Meshed of the Geometry
Meshed of the Geometry
Meshed of the Geometry
Meshed of the Geometry
Meshed of the Geometry
AERODYNAMIC DESIGN SIMULATION CFD STEPS: Meshed of the Geometry Calculation
Calculation
Calculation
Calculation
Calculation
Calculation
Calculation
Calculation
Calculation
Calculation
AERODYNAMIC DESIGN SIMULATION CFD STEPS: Meshed of the Geometry Calculation Postprocess
Postprocess
Postprocess
Postprocess
Postprocess
AERODYNAMIC DESIGN SIMULATION CFD STEPS: Meshed of the Geometry Calculation Postprocess Optimization
Optimization
Optimization
MECHANICAL DESIGN
MECHANICAL DESIGN MECHANICAL FEA STEPS: Meshed of the Geometry
Meshed of the Geometry
MECHANICAL DESIGN MECHANICAL FEA STEPS: Meshed of the Geometry Stresses and deformation of the blade
Stresses and deformations of the blade
Stresses and deformations of the blade
MECHANICAL DESIGN MECHANICAL FEA STEPS: Meshed of the Geometry Stresses and deformation of the blade Natural frequency of the blade
Natural frequency of the blade 1ª Natural Frequency
Natural frequency of the blade 2ª Natural Frequency
Natural frequency of the blade 3ª Natural Frequency
MECHANICAL DESIGN MECHANICAL FEA STEPS: Meshed of the Geometry Stresses and deformation of the blade Natural frequency of the blade Other Mechanical Calculations
Other mechanical calculations
Other mechanical calculations